Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5RTY callsign genealogy
Currently held by HOSKINS JR, OATHER L
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K5RTY's current licensee, walking backwards.
- Marston, John CLAgranted 2017-11-08cancelled 2020-10-03
Successor callsigns
Callsigns held now by people who previously held K5RTY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5RTY, oldest first.
- HOSKINS JR, OATHER L AL2006-05-03 → cancelled 2018-07-25
- Marston, John C LA2020-10-03 active